Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE
Engine Control System (Diagnostic Codes (P0230 - P1340))
- SFI System
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected; DTC P0305: Cylinder 5 Misfire Detected; DTC P0306: Cylinder 6 Misfire Detected; DTC P0307: Cylinder 7 Misfire Detected; DTC P0308: Cylinder 8 Misfire Detected
- DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); DTC P0328: Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor); DTC P032C: Knock Sensor 3 Circuit Low; DTC P032D: Knock Sensor 3 Circuit High; DTC P0332: Knock Sensor 2 Circuit Low Input (Bank 2); DTC P0333: Knock Sensor 2 Circuit High Input (Bank 2); DTC P033C: Knock Sensor 4 Circuit Low Input; DTC P033D: Knock Sensor 4 Circuit High Input
- DTC P0335: Crankshaft Position Sensor "A" Circuit; DTC P0337: Crankshaft Position Sensor "A" Circuit Low Input; DTC P0338: Crankshaft Position Sensor "A" Circuit High Input
- DTC P0340: Camshaft Position Sensor Circuit Malfunction; DTC P0342: Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor); DTC P0343: Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor); DTC P0345: Camshaft Position Sensor "A" Circuit (Bank 2); DTC P0347: Camshaft Position Sensor "A" Circuit Low Input (Bank 2); DTC P0348: Camshaft Position Sensor "A" Circuit High Input (Bank 2)
- DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit; DTC P0355: Ignition Coil "E" Primary / Secondary Circuit; DTC P0356: Ignition Coil "F" Primary / Secondary Circuit; DTC P0357: Ignition Coil "G" Primary / Secondary Circuit; DTC P0358: Ignition Coil "H" Primary / Secondary Circuit
- DTC P0365: Camshaft Position Sensor "B" Circuit (Bank 1); DTC P0367: Camshaft Position Sensor "B" Circuit Low Input (Bank 1); DTC P0368: Camshaft Position Sensor "B" Circuit High Input (Bank 1); DTC P0390: Camshaft Position Sensor "B" Circuit (Bank 2); DTC P0392: Camshaft Position Sensor "B" Circuit Low Input (Bank 2); DTC P0393: Camshaft Position Sensor "B" Circuit High Input (Bank 2)
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2)
- DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2401: Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402: Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419: Evaporative Emission System Switching Valve Control Circuit Low
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
- DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input
- DTC P0505: Idle Control System Malfunction
- DTC P050A: Cold Start Idle Air Control System Performance
- DTC P050B: Cold Start Ignition Timing Performance
- DTC P0545: Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1); DTC P0546: Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1); DTC P0548: Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 1); DTC P0549: Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 1); DTC P2032: Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2); DTC P2033: Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2); DTC P2035: Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2); DTC P2036: Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 2)
- DTC P0560: System Voltage
- DTC P0604: Random Access Memory (RAM)
- DTC P0606: ECM / PCM Processor
- DTC P0607: Control Module Performance
- DTC P060A: Internal Control Module Monitoring Processor Performance
- DTC P060B: Internal Control Module A/D Processing Performance
- DTC P060E: Internal Control Module Throttle Position Performance
- DTC P0657: Actuator Supply Voltage Circuit / Open
- DTC P0661: Intake Manifold Tuning Valve Control Circuit Low; DTC P0662: Intake Manifold Tuning Valve Control Circuit High
- DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open
- DTC P1081: HC Adsorber Switching Valve Bank 1 Stuck Open; DTC P1082: HC Adsorber Switching Valve Bank 1 Stuck Close; DTC P1083: HC Adsorber Switching Valve Bank 2 Stuck Open; DTC P1084: HC Adsorber Switching Valve Bank 2 Stuck Close
- DTC P1235: High Pressure Fuel Pump Circuit; DTC P1236: High Pressure Fuel Pump No. 2 Circuit
- DTC P1276: Port Injector Circuit No. 1; DTC P1277: Port Injector Circuit No. 2; DTC P1278: Port Injector Circuit No. 3; DTC P1279: Port Injector Circuit No. 4; DTC P127A: Port Injector Circuit No. 5; DTC P127B: Port Injector Circuit No. 6; DTC P127C: Port Injector Circuit #7; DTC P127D: Port Injector Circuit #8
- DTC P1340: Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1342: Camshaft Position Sensor "A" Low Input (MRE); DTC P1343: Camshaft Position Sensor "A" High Input (MRE)
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.